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This topic has appeared in the trending rankings 1 time(s) in the past year. While it does not trend frequently, its appearance suggests a renewed or concentrated surge of public interest.
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2,4,5-Trihydroxyamphetamine entered the ranking for the first time today at position #. This is its highest position ever recorded.
This topic has appeared in the English Wikipedia rankings 1 time. It first appeared on 2026-05-03 and was most recently seen on 2026-05-03.
2,4,5-Trihydroxyamphetamine, also known as α-methyl-6-hydroxydopamine (α-Me-6-OHDA) or as 2,4,5-TDM-TMA-2, is a neurotoxin and a metabolite of MDMA related to 6-hydroxydopamine. It comes from the ring hydroxylation of 3,4-methylenedioxyamphetamine (MDA). The drug may also be a metabolite of 2,4,5-trimethoxyamphetamine via O-demethylation. In one study, it was shown to reduce hippocampal tryptophan hydroxylase activity by 54% after short-term treatment. In another study, it was shown to significantly reduce striatal tyrosine hydroxylase activity. THA was studied clinically as an antihypertensive agent but was never marketed. The drug did not produce hallucinogenic effects in humans at doses of up to 200 mg orally.
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